/Engine/Plugins/Experimental/Mutable/Source/CustomizableObject/Classes/MuCO/CustomizableObject.h
Creates and returns an array with IAsyncReadFileHandles for each BulkData file. Used by Mutable to stream in resources when generating instances. Must be deleted by the caller.
[TArray](API\Runtime\Core\Containers\TArray)< [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [IAsyncReadFileHandle](API\Runtime\Core\Async\IAsyncReadFileHandle) > > GetAsyncReadFileHandles() const